85877260544 has 36 divisors (see below), whose sum is σ = 171471783420. Its totient is φ = 42925424640.

The previous prime is 85877260493. The next prime is 85877260631. The reversal of 85877260544 is 44506277858.

It can be written as a sum of positive squares in 2 ways, for example, as 38478745600 + 47398514944 = 196160^2 + 217712^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 85877260544.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810512 + ... + 910320.

It is an arithmetic number, because the mean of its divisors is an integer number (4763105095).

Almost surely, 2^85877260544 is an apocalyptic number.

It is an amenable number.

85877260544 is a deficient number, since it is larger than the sum of its proper divisors (85594522876).

85877260544 is an equidigital number, since it uses as much as digits as its factorization.

85877260544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103186 (or 103172 counting only the distinct ones).

The product of its (nonzero) digits is 15052800, while the sum is 56.

The spelling of 85877260544 in words is "eighty-five billion, eight hundred seventy-seven million, two hundred sixty thousand, five hundred forty-four".